A控制器present一个半透明的B控制器
BViewController *bVC = [[BViewController alloc] init];
[self presentViewController:bVC animated:YES completion:nil];
在BViewController.m文件中加入
//设置控制器透明
- (UIModalPresentationStyle)modalPresentationStyle {
return UIModalPresentationOverCurrentContext;
}
//控制器弹出方式
- (UIModalTransitionStyle)modalTransitionStyle {
return UIModalTransitionStyleCoverVertical;
}
- (void)viewDidLoad{
[super viewDidLoad];
//*设置半透明背景
self.view.backgroundColor = [UIColor colorWithWhite:0 alpha:0.5];
}
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